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JavaScript source code ransomware | by Christiaan Colen
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JavaScript source code ransomware

Part of the JavaScript code that was attached to an e-mail as a fake invoice in a zip file.


Once the user opens the malicious zip file the JavaScript code is executed and the ransomware software is downloaded from an infected website.


When the ransomware software is running it will encrypt all files that match particular extensions.


After encryption, a message (displayed on the user's desktop) instructs them to download the Tor browser and visit a specific criminal-operated Web site for further information.


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Taken on April 19, 2017